Malicious PDF — malware analysis report

Static analysis result for SHA-256 8387daa2feb6ca80…

MALICIOUS

PDF

93.6 KB Created: 2021-05-06 05:45:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c1e62d7ddffa4558263023f38d2cba6d SHA-1: 928b9e8f85f595c8d377167a81a8ae6212cc9611 SHA-256: 8387daa2feb6ca80ece73d43e300834ecea5086900c9369700378f553fe6f732
76 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains an embedded external URI that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious, supporting the suspicious nature of the embedded link. No scripts were extracted, but the presence of the malicious URI is a high-priority indicator.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 4

  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://pelibifir.ru/strik?utm_term=canon+rebel+xti+price+in+bangladesh PDF link annotation
    • http://kojijeku.mygamesonline.org/23859473507.pdfIn PDF document text
    • http://xorabawik.medianewsonline.com/basic_wing_chun_training_sam_fury.pdfIn PDF document text
    • http://medyayazilimtr.com/vewukageve4r2qf.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502439/normal_60262362bcaed.pdfIn PDF document text
    • http://woodlesenka.ru/wirirezubutonuk85rh8.pdfIn PDF document text
    • https://cdn.sqhk.co/xekawiba/fdibicV/ios_for_iphone_4s.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454988/normal_601f260c66192.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405179/normal_600d38a9181a0.pdfIn PDF document text
    • http://ing-jobs-opportunities.com/rpg_maker_vx_ace_modern_tilesets_free_downloadoyo7e.pdfIn PDF document text
    • https://cdn.sqhk.co/mesafovojifo/jhDgggd/99926528067.pdfIn PDF document text
    • http://bcpreactiva-enlinea.com/masala_lab_the_science_of_indian_cookingri1ns.pdfIn PDF document text
    • http://consequences.space/72919881592367kh.pdfIn PDF document text
    • http://doxalasi.mywebcommunity.org/metal_forming_processes_and_analysis_b._avitzur.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382614/normal_6019a2e17e837.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/xixonu/phishing_email_templates_github.pdfIn PDF document text
    • https://s3.amazonaws.com/rupatojuko/aruba_controller_7010_datasheet.pdfIn PDF document text
    • https://s3.amazonaws.com/nawosineromigi/69144315467.pdfIn PDF document text
    • https://s3.amazonaws.com/gumagabu/74307017766.pdfIn PDF document text
    • https://s3.amazonaws.com/fuzafuzeruwit/vidmate_free_for_android_uptodown.pdfIn PDF document text
    • http://wonanikapudidak.atwebpages.com/susaroxikuj.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f990.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF990 6744 bytes
SHA-256: 127b44c9f93874c96d25eb7ddc4688780d8877ce931cf296363fb5748d8d514b
font_01_sfnt_off00010a77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A77 5448 bytes
SHA-256: 570a2e4a3940e414e0964f48a12092486c7d466fc6250185c480d7e76cf0066f
font_02_sfnt_off00011ce6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CE6 3852 bytes
SHA-256: bab409afe3c8865ebc5a9c997a7c4378b4f92ef5165b900e12cd9fba1f26d62c
font_03_sfnt_off000128e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x128E6 12708 bytes
SHA-256: 379e2a99f821d5999fd916c785c4b3316cf381f09ac31540e90376d80b7d8dbd
font_04_sfnt_off0001523c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1523C 16252 bytes
SHA-256: 0a63a688876ac2eeff1744498da4b9a39bda836492221f428a07ca980f1ae508